Mosasaurs (from Latin Mosa meaning the 'Meuse', and Greek σαύρος sauros meaning 'lizard') are an extinct group of large aquatic reptiles within the family Mosasauridae that lived during the Late Cretaceous. Their first fossil remains were discovered in a limestone quarry at Maastricht on the Meuse in 1764.

This list of mosasaurs is a comprehensive listing of all genera that have ever been included in the family Mosasauridae or the parent clade Mosasauroidea, excluding purely vernacular terms.

Mosasaurus (/ ˌmoʊzəˈsɔːrəs /; "lizard of the Meuse River ") is the type genus (defining example) of the mosasaurs, an extinct group of aquatic squamate reptiles. It lived from about 82 to 66 million years ago during the Campanian and Maastrichtian stages of the Late Cretaceous.

2020年10月15日 · Mosasaurs were the dominant marine predators of the late Cretaceous Period. With long jaws and powerful tails, they looked like a cross between a crocodile and a whale. Some mosasaurs were as big as whales, too–at 30-60 feet, the largest species were longer than all but the largest modern whales.

mosasaur, (family Mosasauridae), extinct group of aquatic lizards that attained a high degree of adaptation to the marine environment and were distributed worldwide during the Cretaceous Period (145.5 million to 66 million years ago).

2024年11月13日 · There are two main family groups of mosasaur that you must be familiar with.‭ ‬The first is the Mosasuroidea,‭ ‬which includes all mosasaurs,‭ ‬including the primitive ones like Dallasaurus and Komensaurus.‭ ‬The second group is the Mosasauridae,‭ ‬which includes all the advanced form mosasaurs that are defined by Mosasaurus,‭ ‬but excludes the ...

2025年2月4日 · Mosasaurid teeth are abundant in the fossil record and often diagnostic to low taxonomic levels, allowing to document the taxonomic diversity and ecological disparity through time and with fewer biases than in other marine reptiles. The upper Maastrichtian Phosphates of Morocco, with at least fifteen coeval species representing a wide range of sizes and morphologies, undoubtedly represent the ...

2024年5月27日 · Among the ancient beasts that ruled the oceans of the world years ago was the Mosasaurus. It’s a genus of massive, aquatic, carnivorous lizards that lived during the Late Cretaceous Era from about 70-66 million years ago. The name Mosasaurus means “lizard of the Meuse River,” a reference to the river where a fossil was first found.

2024年11月17日 · Although‭ ‬probably‭ ‬not‭ ‬quite‭ ‬as long as some of the larger mosasaurs,‭ ‬Mosasaurus seems to have been one of the more heavily built.‭ ‬In fact Mosasaurus was so robust that a skull discovered in‭ ‬1998‭ ‬was mistakenly classed as belonging to Prognathodon,‭ ‬a mosasaur that specialised in eating ...

2021年4月20日 · Mosasaurus is one genus, or group of species, out of dozens that made up a diverse family of marine reptiles called mosasaurs. The mosasaurs ruled the ocean in the late Cretaceous period.